package com.lmz.seckill.config;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

import javax.annotation.PostConstruct;

@Configuration
public class myRabbitConfig {
    private RabbitTemplate rabbitTemplate;
    @Bean
    @Primary
    public RabbitTemplate getRabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        this.rabbitTemplate =rabbitTemplate;
        rabbitTemplate.setMessageConverter(messageConverter());
        initRabbitTemplate();
        return rabbitTemplate;
    }


    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    public void initRabbitTemplate() {
        //设置确认回调
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            /**
             * @param correlationData 唯一id
             * @param ack 消息是否成功收到
             * @param cause 失败原因
             */
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                //System.out.println(correlationData + "---" + ack + "---" + cause);
            }
        });

        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            //消息没有投递给指定的队列就会触发这个失败回调

            /**
             * @param message 投递失败的消息的详细信息
             * @param replyCode 回复的状态码
             * @param replyText 回复的文本内容
             * @param exchange 消息是发送给哪个交换机
             * @param routingKey 路由键
             */
            @Override
            public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) {

            }
        });
    }


}